New Beyma NMF Series

[Kwesi]

Whoohoo 😀 :

https://audioxpress.com/news/beyma-launches-near-and-mid-field-high-end-transducer-series
http://www.beyma.com/nmf/

https://www.beyma.com/speakers/Fich...akers-data-sheet-low-mid-frequency-10NMFS.pdf

https://www.beyma.com/speakers/Fichas_Tecnicas/beyma-speakers-data-sheet-low-mid-frequency-8NMFW.pdf

https://www.beyma.com/speakers/Fichas_Tecnicas/beyma-speakers-data-sheet-low-mid-frequency-6NMFW.pdf

They look promising!

 

[phase_accurate]

Very nice, especially the 8". But I fear that they will cost an arm and a leg.

Regards

Charles

 

[von Ah]

Are they ‘pulling an Adcom’ with the model names? Nice MFing woofers!

 

[meister_gue]

They are looking really nice! The tweeters as well 😉

I hope for reasonable prices with the ferrite magnets...

 

[hifijim]

what is with the octagonal frames ? Nearly impossible to recess into a baffle. I notice it is a common "feature" on pro-audio drivers. ???

 

[tmuikku]

Few millimeters extra space saving on an array box? 🙂 Yeah they are a lot of work, needs a routing jig but afger making one its not too bad.

 

[tktran303]

as a DIYer I hate non-circular frames.
as an OEM I think it’s a great idea - more Sd, less mounting space (why do you need a so much frame just for 4 mounting screws), less material waste.

 

[hifijim]

I see your point, but even for a manufacturer, recessing an octagon with sharp corners is a way more complex machining operation than recessing a circle. If the corners of the octagon frame had a 1/4" (6mm) radius, then a CNC cutter could cleanly make the cut. But sharp corners complicate things.

 

[tktran303]

Flush mounting mid-woofers are ok. Sometimes helps with passive crossovers.

that’s why I’m going to tell myself. No way I would bother with making a template…

 

[profiguy]

I like anything that permits closer driver spacing, but some of these weird format frames are very hard to recess, which I think is more important than tightest possible spacing. If its an absolute necessity for the design, I'd rather physically notch the driver frame to obtain the clearance. Thats one reason I like polymer frame drivers, but they aren't that rigid compared to aluminum or magnesium.

 

[tktran303]

Coming Sept

 

[racingpht]

Price is pretty good, about same as mw16p in US.
No measurements though. And the 6 size is pretty odd, more like a 7 inch driver.
https://en.toutlehautparleur.com/speaker-beyma-6nmfw-8-ohm-6-5-inch.html

 

[Juhazi]

Not really alternatives!

SBA Satori 201€ https://en.toutlehautparleur.com/speaker-sb-acoustics-satori-mw16p-8-impedance-8-ohm-6-5-inch.html
Beyma 231€ https://en.toutlehautparleur.com/speaker-beyma-6nmfw-8-ohm-6-5-inch.html

--------Beyma-----Satori
Sd---154mm2----119mm2
Xmax---9mm-------7,7mm
Fs------40Hz-------29Hz
Sens---87dB------87,5dB
Nom pow- 200W----40W
Vas---- 11L--------48L

 

[racingpht]

Price/Sd wise 6NMFW is about the same as MW19p, but obviously they are very different drivers.
6NMFW seems optimized for small active design and high SPL.

 

[tigeranand]

8NMFW-8 how can one use I cannot interpret the technical parameters. will this driver be better or same as purifi

 

[tktran303]

Slightly higher sensitivity, requiring a smaller box. What gives? Slightly less bass extension. It still goes to 55Hz
x-max is not higher, but perhaps thermal power handling is higher

 

[IamJF]

Has anybody already tried one of these? Are samples available?
This one would fit in my cinema system (right) where I landet with a Kartesian 8" (PHL was also good - both are better as all the others). Would be interested in a few THD curves if it behaves up to 2-2,5kHz.

 

[pjcasabuena]

Just finished and got to listen to our first designs for the 8nmfw and the t25s. First impressions are great. Hope to be able to record a video with proper sound soon 🙂

 

[hifijim]

nice job recessing the octagonal frame... those are a pain to recess.

edit - i just looked back earlier in the thread, and it seems I already complained twice about the frame... so, sorry to repeat myself...

 

[pjcasabuena]

@hifijim we had to have the baffles cut on a cnc. I have 0 confidence and time to do it myself 😅